Question

what is zoology in biology ? how many branches does it have

Answer 1

Thr scientific study of behaviour, structure , physicology and classification of the distribution of animals is called zoology.

Answer 2

Zoology is a general study which focuses on the physic,body or researches on/about animal species.
Zoology branches include-
1) The interrelationships of animals from the past and present.
2) The study of earth and life.
3) The study of extinct animals and fossils.
4) The development of the egg after fertilization in a certain species.